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PURPOSE Cortical cerebral dysgenesis is a heterogeneous disorder of cortical development and organization. It is well known by neuropathologists and is becoming more important in the clinical setting, mainly due to MRI. Our purpose is to report the MRI features of cortical dysplasia in 30 patients and to propose a simple classification with review of the… (More)
Echotomographic and serologic screening for hydatidosis was carried out in 1,650 subjects aged over 5 years in a village located in a high risk region of central Tunisia. Echotomography detected liver cysts in 6 subjects (prevalence rate: 3.6 per 1,000). These 6 cases were among the 7 positive cases detected by ELISA. In all 6, the diagnosis of liver cysts… (More)
Between April and September 1986, 60 patients with osteosarcoma have been treated according to the T10 protocol in the Pediatrics Department of the Gustave Roussy Institute in Villejuif, France. Limb sparing could be achieved in 49 patients and amputation was necessary in 11. The necrosis of the primary tumor was total or subtotal in 33 cases and incomplete… (More)
Meningeal melanocytoma is a rare benign pigmented tumor. It develops from melanocytes normally present in the meninges of the posterior fossa and medulla. It is an extra axial tumor, that manifests due to compression of adjacent structures. The authors report a case of meningeal melanocytoma located at the foramen magnum. They insist on the characteristic… (More)
The annual surgical incidence rate of hydatid disease in central Tunisia varies from 11.1 to 30.1 per 100,000 population depending on the district. In order to obtain more comprehensive data, we conducted a serologic survey in the district with the highest rate, using hemagglutination-inhibition to test 480 workers from a state farm and 190 inhabitants of… (More)
Hydatidosis is very common in the Sahel and Central Tunisia. The 1984 annual surgical incidence rate of hydatid disease is 21.89 per one hundred thousand. Prevalence rates vary from 0.36 to 1.3%. Animal infestation is also common.
Tuberculous arthritis is rare and the diagnosis may be confused with inflammatory arthritis. Only few cases, explored by MRI, have been reported in the literature. We report 3 cases of tuberculous arthritis of the knee revealed by insidious pain. The abnormalities revealed by MRI suggested tuberculosis. Diagnosis was confirmed by histology.
PURPOSE OF STUDY Ectopic thyroid is defined as thyroid tissue not located anterolaterally between the second and the fourth tracheal cartilage. This anomalous localization results from abnormal embryologic development and/or migration of the gland. The purpose of this study is to demonstrate the role of imaging in the preoperative evaluation of ectopic… (More)
PURPOSE Describe the patterns and location of lesions seen on MR imaging in neuro-Behçet's disease. OBSERVATIONS 33 patients with neuro-Behçet's disease (mean age: 27 years) imaged by MRI were reviewed. Most common neurologic symptoms included headaches and pyramidal signs. MRI examinations (Siemens Magnetom Impact 1 Tesla) included the following… (More)